1<br />Prius:  Latin word meaning "to go before" or "before its predecessors.” <br />Prius = Hybrid Pioneer<br />
2<br />Hybrid SystemsConcepts/Definitions<br />
Objectives<br />Definition of a Hybrid System<br />Main Hybrid Systems Components<br />Classification of Hybrids<br />Type...
Hybrid Systems Definition<br />Definition<br />“A hybrid is the combination of two or more different things, aimed at achi...
Key Components<br />Source: www.hybridcenter.org<br />5<br />ICE<br />Generator<br />The Inverter<br />Power Splitter<br /...
Steps for Hybridization<br />Idle-off capability <br />Regenerative braking capacity <br />Power Assist and Engine downsiz...
1. Idle-off Capacity<br />Turn off the gasoline engine when stop<br />Well design system, engine will turn back on before ...
2. Regenerating Braking Capacity<br />Kinetic Energy Builds up with Speed<br />To Stop the Car need to get rid of Kinetic ...
3. Power Assist and Engine Downsizing<br />Engine  + Electric Motor share the load of a Hybrid System<br />“A vehicle meet...
4. Electric Drive Only<br />Drive only with Electric Motor and Battery Pack<br />Full Hybrids e.g Toyota Prius<br />Full H...
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Hybrid Systems Definitions/Concepts

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a Basic Presentation of a Hybrid System

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Hybrid Systems Definitions/Concepts

  1. 1. 1<br />Prius: Latin word meaning "to go before" or "before its predecessors.” <br />Prius = Hybrid Pioneer<br />
  2. 2. 2<br />Hybrid SystemsConcepts/Definitions<br />
  3. 3. Objectives<br />Definition of a Hybrid System<br />Main Hybrid Systems Components<br />Classification of Hybrids<br />Types of Hybrid Drivetrain<br />Source: www.hybridcenter.org<br />3<br />
  4. 4. Hybrid Systems Definition<br />Definition<br />“A hybrid is the combination of two or more different things, aimed at achieving a particular objective or goal” <br />Hybrid Vehicle<br />“A hybrid electric vehicle combines an internal combustion engine and an electric motor powered by batteries, merging the best features of today's combustion engine cars and electric vehicles.” <br />Source: www.hybridcenter.org<br />4<br />
  5. 5. Key Components<br />Source: www.hybridcenter.org<br />5<br />ICE<br />Generator<br />The Inverter<br />Power Splitter<br />Electric Motor<br />Battery Pack<br />Electronic Modules<br />
  6. 6. Steps for Hybridization<br />Idle-off capability <br />Regenerative braking capacity <br />Power Assist and Engine downsizing (“mild" hybrid) <br />Electric-only drive ("full" hybrid) <br />Extended battery-electric range ("plug-in" hybrid)<br />Source: www.hybridcenter.org<br />6<br />
  7. 7. 1. Idle-off Capacity<br />Turn off the gasoline engine when stop<br />Well design system, engine will turn back on before releasing the break pedal<br />Hybrids use a full electric motor – 100 Volts<br />Conventional use Starter/Generator- 12/42 Volts <br />Not yet a Hybrid<br />Source: www.hybridcenter.org<br />7<br />
  8. 8. 2. Regenerating Braking Capacity<br />Kinetic Energy Builds up with Speed<br />To Stop the Car need to get rid of Kinetic Energy<br />Braking with friction material takes energy to hot brakes<br />“Regen” = regenerative braking <br />“takes over some of the stopping duties from the friction brakes and instead uses the electric motor to help stop the car.” <br />Electric Motor = Generator = converts some of the kinetic energy and stores as electricity to the battery<br />Source: www.hybridcenter.org<br />8<br />
  9. 9. 3. Power Assist and Engine Downsizing<br />Engine + Electric Motor share the load of a Hybrid System<br />“A vehicle meets this classification only if it has a large enough motor and battery pack such that the motor can actually supplement the engine to help accelerate the vehicle while driving”<br />Benefits<br />Downsize the engine, cylinder size, displacement<br />More space, less weight<br />More fuel economy. <br />Eg. Honda Civic Hybrid 40 City/45 Hwy / 42 Combined<br />Source: www.hybridcenter.org<br />9<br />
  10. 10. 4. Electric Drive Only<br />Drive only with Electric Motor and Battery Pack<br />Full Hybrids e.g Toyota Prius<br />Full Hybrids engine operate when is more efficiently needed<br />Start and Low speed – Battery<br />Acceleration/High Speed - Engine<br />Source: www.hybridcenter.org<br />10<br />
  11. 11. 5. Extended Battery – Electric Range<br /> “The final level of hybridization extends the electric motor's capacity to drive the car by recharging the battery from a clean energy grid (i.e. "plug in")” <br />Driving Battery autonomy of 20-60 miles<br />Larger Electric Motors<br />Larger Battery Packs<br />Source: www.hybridcenter.org<br />11<br />
  12. 12. Source: www.hybridcenter.org<br />12<br />
  13. 13. Hybrids Drivetrains<br />Source: www.hybridcenter.org<br />13<br />
  14. 14. Wrap-up<br /><ul><li>Hybrid System Definition</li></ul> Internal combustion engine and an electric motor powered by batteries<br /><ul><li>Main Hybrid Systems Components: engine, electric motors, generators, inverter, power splitter, battery pack , electronics
  15. 15. Classification</li></ul>Conventional Vehicle<br />Mild Hybrid<br />Full Hybrid<br />Plug-in Hybrid<br /><ul><li>Types of Drivetrains</li></ul>Series – Engine Assist<br />Parallel – Electric Assist <br />Parallel/Series – Two Mode<br />Source: www.hybridcenter.org<br />14<br />
  16. 16. Q&A<br />Source: www.hybridcenter.org<br />15<br />

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